What is the distance between Mars and Earth?

A:

The distance between Earth and Mars varies between 40 and 225 million miles. Since planets orbit the sun in an elliptical path rather than a circular path, the distance between the two planets changes throughout the year.

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Every 26 months, Mars and Earth reach their closest point to one another. According to NASA, this is referred to as opposition of Mars because Mars and the sun are on the opposite side of Earth. When an opposition of Mars occurs, this nearby planet is easily visible in the night's sky along with its red tint, which is why it was nicknamed The Red Planet.

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Uranus is composed largely of hydrogen and helium like the other gas giants. It also has water ice, methane ice and ammonia ice. There are also tiny amounts of carbon monoxide, carbon dioxide and hydrocarbons such as ethane, acetylene, diacetylene and methylacetylene.

The interiors of the Jovian planets, also known as gas giants, are different because of their sizes. Jupiter and Saturn, the largest of the four Jovian planets, are massive enough to compress materials into a rocky core. Uranus and Neptune exert less pressure, which causes their cores to be in an icy, liquid state.

Venus does not have any rings. The planet does not have rings because the temperature on Venus is too high for their formation. Rings are associated with the outer planets of Jupiter, Saturn, Neptune and Uranus